public bool StructureDoesntMatch(ExposedList <Attachment> attachments, ExposedList <SubmeshInstruction> instructions)
{
if (attachments.Count != this.attachmentsUsed.Count)
{
return(true);
}
if (instructions.Count != this.instructionsUsed.Count)
{
return(true);
}
Attachment[] items = attachments.Items;
Attachment[] items2 = this.attachmentsUsed.Items;
int i = 0;
int count = this.attachmentsUsed.Count;
while (i < count)
{
if (items[i] != items2[i])
{
return(true);
}
i++;
}
SubmeshInstruction[] items3 = instructions.Items;
SubmeshInstruction[] items4 = this.instructionsUsed.Items;
int j = 0;
int count2 = this.instructionsUsed.Count;
while (j < count2)
{
SubmeshInstruction submeshInstruction = items3[j];
SubmeshInstruction submeshInstruction2 = items4[j];
if (submeshInstruction.material.GetInstanceID() != submeshInstruction2.material.GetInstanceID() || submeshInstruction.startSlot != submeshInstruction2.startSlot || submeshInstruction.endSlot != submeshInstruction2.endSlot || submeshInstruction.triangleCount != submeshInstruction2.triangleCount || submeshInstruction.vertexCount != submeshInstruction2.vertexCount || submeshInstruction.firstVertexIndex != submeshInstruction2.firstVertexIndex)
{
return(true);
}
j++;
}
return(false);
}
public static bool EnsureTriangleBuffersSize (ExposedList<SubmeshTriangleBuffer> submeshBuffers, int targetSubmeshCount, SubmeshInstruction[] instructionItems) {
bool submeshBuffersWasResized = submeshBuffers.Count < targetSubmeshCount;
if (submeshBuffersWasResized) {
submeshBuffers.GrowIfNeeded(targetSubmeshCount - submeshBuffers.Count);
for (int i = submeshBuffers.Count; submeshBuffers.Count < targetSubmeshCount; i++)
submeshBuffers.Add(new SubmeshTriangleBuffer(instructionItems[i].triangleCount));
}
return submeshBuffersWasResized;
}
void SetSubmesh(int submeshIndex, Spine.Unity.MeshGeneration.SubmeshInstruction submeshInstructions, ExposedList <bool> flipStates, bool isLastSubmesh)
{
var currentSubmesh = submeshes.Items[submeshIndex];
int[] triangles = currentSubmesh.triangles;
int triangleCount = submeshInstructions.triangleCount;
int firstVertex = submeshInstructions.firstVertexIndex;
int trianglesCapacity = triangles.Length;
if (isLastSubmesh && trianglesCapacity > triangleCount)
{
// Last submesh may have more triangles than required, so zero triangles to the end.
for (int i = triangleCount; i < trianglesCapacity; i++)
{
triangles[i] = 0;
}
currentSubmesh.triangleCount = triangleCount;
}
else if (trianglesCapacity != triangleCount)
{
// Reallocate triangles when not the exact size needed.
currentSubmesh.triangles = triangles = new int[triangleCount];
currentSubmesh.triangleCount = 0;
}
if (!this.renderMeshes && !this.frontFacing)
{
// Use stored triangles if possible.
if (currentSubmesh.firstVertex != firstVertex || currentSubmesh.triangleCount < triangleCount) //|| currentSubmesh.triangleCount == 0
{
currentSubmesh.triangleCount = triangleCount;
currentSubmesh.firstVertex = firstVertex;
for (int i = 0; i < triangleCount; i += 6, firstVertex += 4)
{
triangles[i] = firstVertex;
triangles[i + 1] = firstVertex + 2;
triangles[i + 2] = firstVertex + 1;
triangles[i + 3] = firstVertex + 2;
triangles[i + 4] = firstVertex + 3;
triangles[i + 5] = firstVertex + 1;
}
}
return;
}
var flipStatesItems = flipStates.Items;
// Iterate through all slots and store their triangles.
var drawOrderItems = skeleton.DrawOrder.Items;
int triangleIndex = 0; // Modified by loop
for (int i = submeshInstructions.startSlot, n = submeshInstructions.endSlot; i < n; i++)
{
Attachment attachment = drawOrderItems[i].attachment;
bool flip = frontFacing && flipStatesItems[i];
// Add RegionAttachment triangles
if (attachment is RegionAttachment)
{
if (!flip)
{
triangles[triangleIndex] = firstVertex;
triangles[triangleIndex + 1] = firstVertex + 2;
triangles[triangleIndex + 2] = firstVertex + 1;
triangles[triangleIndex + 3] = firstVertex + 2;
triangles[triangleIndex + 4] = firstVertex + 3;
triangles[triangleIndex + 5] = firstVertex + 1;
}
else
{
triangles[triangleIndex] = firstVertex + 1;
triangles[triangleIndex + 1] = firstVertex + 2;
triangles[triangleIndex + 2] = firstVertex;
triangles[triangleIndex + 3] = firstVertex + 1;
triangles[triangleIndex + 4] = firstVertex + 3;
triangles[triangleIndex + 5] = firstVertex + 2;
}
triangleIndex += 6;
firstVertex += 4;
continue;
}
// Add (Weighted)MeshAttachment triangles
int[] attachmentTriangles;
int attachmentVertexCount;
var meshAttachment = attachment as MeshAttachment;
if (meshAttachment != null)
{
attachmentVertexCount = meshAttachment.worldVerticesLength >> 1; // length/2
attachmentTriangles = meshAttachment.triangles;
}
else
{
continue;
}
if (flip)
{
for (int ii = 0, nn = attachmentTriangles.Length; ii < nn; ii += 3, triangleIndex += 3)
{
triangles[triangleIndex + 2] = firstVertex + attachmentTriangles[ii];
triangles[triangleIndex + 1] = firstVertex + attachmentTriangles[ii + 1];
triangles[triangleIndex] = firstVertex + attachmentTriangles[ii + 2];
}
}
else
{
for (int ii = 0, nn = attachmentTriangles.Length; ii < nn; ii++, triangleIndex++)
{
triangles[triangleIndex] = firstVertex + attachmentTriangles[ii];
}
}
firstVertex += attachmentVertexCount;
}
}
void SetSubmesh(int submeshIndex, Spine.Unity.MeshGeneration.SubmeshInstruction submeshInstructions, ExposedList <bool> flipStates, bool isLastSubmesh)
{
#else
void SetSubmesh(int submeshIndex, Spine.Unity.MeshGeneration.SubmeshInstruction submeshInstructions, bool isLastSubmesh)
{
#endif
SubmeshTriangleBuffer currentSubmesh = submeshes.Items[submeshIndex];
int[] triangles = currentSubmesh.triangles;
int triangleCount = submeshInstructions.triangleCount;
int firstVertex = submeshInstructions.firstVertexIndex;
int trianglesCapacity = triangles.Length;
if (isLastSubmesh && trianglesCapacity > triangleCount)
{
// Last submesh may have more triangles than required, so zero triangles to the end.
for (int i = triangleCount; i < trianglesCapacity; i++)
{
triangles[i] = 0;
}
currentSubmesh.triangleCount = triangleCount;
}
else if (trianglesCapacity != triangleCount)
{
// Reallocate triangles when not the exact size needed.
currentSubmesh.triangles = triangles = new int[triangleCount];
currentSubmesh.triangleCount = 0;
}
#if SPINE_OPTIONAL_FRONTFACING
if (!this.renderMeshes && !this.frontFacing)
{
#else
if (!this.renderMeshes)
{
#endif
// Use stored triangles if possible.
if (currentSubmesh.firstVertex != firstVertex || currentSubmesh.triangleCount < triangleCount) //|| currentSubmesh.triangleCount == 0
{
currentSubmesh.triangleCount = triangleCount;
currentSubmesh.firstVertex = firstVertex;
for (int i = 0; i < triangleCount; i += 6, firstVertex += 4)
{
triangles[i] = firstVertex;
triangles[i + 1] = firstVertex + 2;
triangles[i + 2] = firstVertex + 1;
triangles[i + 3] = firstVertex + 2;
triangles[i + 4] = firstVertex + 3;
triangles[i + 5] = firstVertex + 1;
}
}
return;
}
// This method caches several .Items arrays.
// Never mutate their overlying ExposedList objects.
#if SPINE_OPTIONAL_FRONTFACING
var flipStatesItems = flipStates.Items;
#endif
// Iterate through all slots and store their triangles.
var drawOrderItems = skeleton.DrawOrder.Items;
int triangleIndex = 0; // Modified by loop
for (int i = submeshInstructions.startSlot, n = submeshInstructions.endSlot; i < n; i++)
{
Attachment attachment = drawOrderItems[i].attachment;
#if SPINE_OPTIONAL_FRONTFACING
bool flip = frontFacing && flipStatesItems[i];
// Add RegionAttachment triangles
if (attachment is RegionAttachment)
{
if (!flip)
{
triangles[triangleIndex] = firstVertex;
triangles[triangleIndex + 1] = firstVertex + 2;
triangles[triangleIndex + 2] = firstVertex + 1;
triangles[triangleIndex + 3] = firstVertex + 2;
triangles[triangleIndex + 4] = firstVertex + 3;
triangles[triangleIndex + 5] = firstVertex + 1;
}
else
{
triangles[triangleIndex] = firstVertex + 1;
triangles[triangleIndex + 1] = firstVertex + 2;
triangles[triangleIndex + 2] = firstVertex;
triangles[triangleIndex + 3] = firstVertex + 1;
triangles[triangleIndex + 4] = firstVertex + 3;
triangles[triangleIndex + 5] = firstVertex + 2;
}
triangleIndex += 6;
firstVertex += 4;
continue;
}
#else
if (attachment is RegionAttachment)
{
triangles[triangleIndex] = firstVertex;
triangles[triangleIndex + 1] = firstVertex + 2;
triangles[triangleIndex + 2] = firstVertex + 1;
triangles[triangleIndex + 3] = firstVertex + 2;
triangles[triangleIndex + 4] = firstVertex + 3;
triangles[triangleIndex + 5] = firstVertex + 1;
triangleIndex += 6;
firstVertex += 4;
continue;
}
#endif
// Add (Weighted)MeshAttachment triangles
int[] attachmentTriangles;
int attachmentVertexCount;
var meshAttachment = attachment as MeshAttachment;
if (meshAttachment != null)
{
attachmentVertexCount = meshAttachment.worldVerticesLength >> 1; // length/2
attachmentTriangles = meshAttachment.triangles;
}
else
{
continue;
}
#if SPINE_OPTIONAL_FRONTFACING
if (flip)
{
for (int ii = 0, nn = attachmentTriangles.Length; ii < nn; ii += 3, triangleIndex += 3)
{
triangles[triangleIndex + 2] = firstVertex + attachmentTriangles[ii];
triangles[triangleIndex + 1] = firstVertex + attachmentTriangles[ii + 1];
triangles[triangleIndex] = firstVertex + attachmentTriangles[ii + 2];
}
}
else
{
for (int ii = 0, nn = attachmentTriangles.Length; ii < nn; ii++, triangleIndex++)
{
triangles[triangleIndex] = firstVertex + attachmentTriangles[ii];
}
}
#else
for (int ii = 0, nn = attachmentTriangles.Length; ii < nn; ii++, triangleIndex++)
{
triangles[triangleIndex] = firstVertex + attachmentTriangles[ii];
}
#endif
firstVertex += attachmentVertexCount;
}
}
#if UNITY_EDITOR
void OnDrawGizmos()
{
// Make scene view selection easier by drawing a clear gizmo over the skeleton.
meshFilter = GetComponent <MeshFilter>();
if (meshFilter == null)
{
return;
}
Mesh mesh = meshFilter.sharedMesh;
if (mesh == null)
{
return;
}
Bounds meshBounds = mesh.bounds;
Gizmos.color = Color.clear;
Gizmos.matrix = transform.localToWorldMatrix;
Gizmos.DrawCube(meshBounds.center, meshBounds.size);
}
#endif
///<summary>This is a Mesh that also stores the instructions SkeletonRenderer generated for it.</summary>
public class SmartMesh {
public MeshAndMaterials GenerateMesh(ExposedList <SubmeshInstruction> instructions, int startSubmesh, int endSubmesh)
{
SubmeshInstruction[] items = instructions.Items;
this.currentInstructions.Clear(false);
for (int i = startSubmesh; i < endSubmesh; i++)
{
this.currentInstructions.Add(items[i]);
}
SmartMesh next = this.doubleBufferedSmartMesh.GetNext();
Mesh mesh = next.mesh;
int count = this.currentInstructions.Count;
SubmeshInstruction[] items2 = this.currentInstructions.Items;
int num = 0;
for (int j = 0; j < count; j++)
{
items2[j].firstVertexIndex = num;
num += items2[j].vertexCount;
}
bool flag = ArraysMeshGenerator.EnsureSize(num, ref this.meshVertices, ref this.meshUVs, ref this.meshColors32);
bool flag2 = ArraysMeshGenerator.EnsureTriangleBuffersSize(this.submeshBuffers, count, items2);
float zspacing = this.ZSpacing;
Vector3 boundsMin;
Vector3 boundsMax;
if (num <= 0)
{
boundsMin = new Vector3(0f, 0f, 0f);
boundsMax = new Vector3(0f, 0f, 0f);
}
else
{
boundsMin.x = 2.14748365E+09f;
boundsMin.y = 2.14748365E+09f;
boundsMax.x = -2.14748365E+09f;
boundsMax.y = -2.14748365E+09f;
int endSlot = items2[count - 1].endSlot;
if (zspacing > 0f)
{
boundsMin.z = 0f;
boundsMax.z = zspacing * (float)endSlot;
}
else
{
boundsMin.z = zspacing * (float)endSlot;
boundsMax.z = 0f;
}
}
ExposedList <Attachment> exposedList = this.attachmentBuffer;
exposedList.Clear(false);
int num2 = 0;
for (int k = 0; k < count; k++)
{
SubmeshInstruction submeshInstruction = items2[k];
int startSlot = submeshInstruction.startSlot;
int endSlot2 = submeshInstruction.endSlot;
Skeleton skeleton = submeshInstruction.skeleton;
Slot[] items3 = skeleton.DrawOrder.Items;
for (int l = startSlot; l < endSlot2; l++)
{
Attachment attachment = items3[l].attachment;
if (attachment != null)
{
exposedList.Add(attachment);
}
}
ArraysMeshGenerator.FillVerts(skeleton, startSlot, endSlot2, zspacing, base.PremultiplyVertexColors, this.meshVertices, this.meshUVs, this.meshColors32, ref num2, ref this.attachmentVertexBuffer, ref boundsMin, ref boundsMax, true);
}
bool flag3 = flag || flag2 || next.StructureDoesntMatch(exposedList, this.currentInstructions);
for (int m = 0; m < count; m++)
{
SubmeshInstruction submeshInstruction2 = items2[m];
if (flag3)
{
SubmeshTriangleBuffer submeshTriangleBuffer = this.submeshBuffers.Items[m];
bool isLastSubmesh = m == count - 1;
ArraysMeshGenerator.FillTriangles(ref submeshTriangleBuffer.triangles, submeshInstruction2.skeleton, submeshInstruction2.triangleCount, submeshInstruction2.firstVertexIndex, submeshInstruction2.startSlot, submeshInstruction2.endSlot, isLastSubmesh);
submeshTriangleBuffer.triangleCount = submeshInstruction2.triangleCount;
submeshTriangleBuffer.firstVertex = submeshInstruction2.firstVertexIndex;
}
}
if (flag3)
{
mesh.Clear();
this.sharedMaterials = this.currentInstructions.GetUpdatedMaterialArray(this.sharedMaterials);
}
next.Set(this.meshVertices, this.meshUVs, this.meshColors32, exposedList, this.currentInstructions);
mesh.bounds = ArraysMeshGenerator.ToBounds(boundsMin, boundsMax);
if (flag3)
{
mesh.subMeshCount = count;
for (int n = 0; n < count; n++)
{
mesh.SetTriangles(this.submeshBuffers.Items[n].triangles, n);
}
base.TryAddNormalsTo(mesh, num);
}
if (this.addTangents)
{
ArraysMeshGenerator.SolveTangents2DEnsureSize(ref this.meshTangents, ref this.tempTanBuffer, num);
int num3 = 0;
int num4 = count;
while (num3 < num4)
{
SubmeshTriangleBuffer submeshTriangleBuffer2 = this.submeshBuffers.Items[num3];
ArraysMeshGenerator.SolveTangents2DTriangles(this.tempTanBuffer, submeshTriangleBuffer2.triangles, submeshTriangleBuffer2.triangleCount, this.meshVertices, this.meshUVs, num);
num3++;
}
ArraysMeshGenerator.SolveTangents2DBuffer(this.meshTangents, this.tempTanBuffer, num);
}
return(new MeshAndMaterials(next.mesh, this.sharedMaterials));
}
public MeshAndMaterials GenerateMesh(SubmeshedMeshInstruction meshInstructions)
{
SmartMesh next = this.doubleBufferedSmartMesh.GetNext();
Mesh mesh = next.mesh;
int count = meshInstructions.submeshInstructions.Count;
ExposedList <SubmeshInstruction> submeshInstructions = meshInstructions.submeshInstructions;
int vertexCount = meshInstructions.vertexCount;
bool flag = ArraysMeshGenerator.EnsureTriangleBuffersSize(this.submeshBuffers, count, submeshInstructions.Items);
bool flag2 = ArraysMeshGenerator.EnsureSize(vertexCount, ref this.meshVertices, ref this.meshUVs, ref this.meshColors32);
Vector3[] meshVertices = this.meshVertices;
float zspacing = this.ZSpacing;
int count2 = meshInstructions.attachmentList.Count;
Vector3 boundsMin;
Vector3 boundsMax;
if (count2 <= 0)
{
boundsMin = new Vector3(0f, 0f, 0f);
boundsMax = new Vector3(0f, 0f, 0f);
}
else
{
boundsMin.x = 2.14748365E+09f;
boundsMin.y = 2.14748365E+09f;
boundsMax.x = -2.14748365E+09f;
boundsMax.y = -2.14748365E+09f;
if (zspacing > 0f)
{
boundsMin.z = 0f;
boundsMax.z = zspacing * (float)(count2 - 1);
}
else
{
boundsMin.z = zspacing * (float)(count2 - 1);
boundsMax.z = 0f;
}
}
bool flag3 = flag2 || flag || next.StructureDoesntMatch(meshInstructions);
int num = 0;
for (int i = 0; i < count; i++)
{
SubmeshInstruction submeshInstruction = submeshInstructions.Items[i];
int startSlot = submeshInstruction.startSlot;
int endSlot = submeshInstruction.endSlot;
Skeleton skeleton = submeshInstruction.skeleton;
ArraysMeshGenerator.FillVerts(skeleton, startSlot, endSlot, zspacing, base.PremultiplyVertexColors, meshVertices, this.meshUVs, this.meshColors32, ref num, ref this.attachmentVertexBuffer, ref boundsMin, ref boundsMax, true);
if (flag3)
{
SubmeshTriangleBuffer submeshTriangleBuffer = this.submeshBuffers.Items[i];
bool isLastSubmesh = i == count - 1;
ArraysMeshGenerator.FillTriangles(ref submeshTriangleBuffer.triangles, skeleton, submeshInstruction.triangleCount, submeshInstruction.firstVertexIndex, startSlot, endSlot, isLastSubmesh);
submeshTriangleBuffer.triangleCount = submeshInstruction.triangleCount;
submeshTriangleBuffer.firstVertex = submeshInstruction.firstVertexIndex;
}
}
if (flag3)
{
mesh.Clear();
this.sharedMaterials = meshInstructions.GetUpdatedMaterialArray(this.sharedMaterials);
}
next.Set(this.meshVertices, this.meshUVs, this.meshColors32, meshInstructions);
mesh.bounds = ArraysMeshGenerator.ToBounds(boundsMin, boundsMax);
if (flag3)
{
mesh.subMeshCount = count;
for (int j = 0; j < count; j++)
{
mesh.SetTriangles(this.submeshBuffers.Items[j].triangles, j);
}
base.TryAddNormalsTo(mesh, vertexCount);
}
if (this.addTangents)
{
ArraysMeshGenerator.SolveTangents2DEnsureSize(ref this.meshTangents, ref this.tempTanBuffer, vertexCount);
int k = 0;
int num2 = count;
while (k < num2)
{
SubmeshTriangleBuffer submeshTriangleBuffer2 = this.submeshBuffers.Items[k];
ArraysMeshGenerator.SolveTangents2DTriangles(this.tempTanBuffer, submeshTriangleBuffer2.triangles, submeshTriangleBuffer2.triangleCount, this.meshVertices, this.meshUVs, vertexCount);
k++;
}
ArraysMeshGenerator.SolveTangents2DBuffer(this.meshTangents, this.tempTanBuffer, vertexCount);
}
return(new MeshAndMaterials(next.mesh, this.sharedMaterials));
}